101211028 has 6 divisors (see below), whose sum is σ = 177119306. Its totient is φ = 50605512.

The previous prime is 101211007. The next prime is 101211029. The reversal of 101211028 is 820112101.

It can be written as a sum of positive squares in only one way, i.e., 98644624 + 2566404 = 9932^2 + 1602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651375 + ... + 12651382.

Almost surely, 2^101211028 is an apocalyptic number.

It is an amenable number.

101211028 is a deficient number, since it is larger than the sum of its proper divisors (75908278).

101211028 is a wasteful number, since it uses less digits than its factorization.

101211028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25302761 (or 25302759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 101211028 is about 10060.3691781167. The cubic root of 101211028 is about 466.0250681867.

Adding to 101211028 its reverse (820112101), we get a palindrome (921323129).

The spelling of 101211028 in words is "one hundred one million, two hundred eleven thousand, twenty-eight".